MDEV-6102 Comparison between TIME and DATETIME does not use CURRENT_DATE

MDEV-6101 Hybrid functions do not add CURRENT_DATE when converting TIME to DATETIME

mysql-test/r/func_time.result

@@ -1878,9 +1878,15 @@ least(1, f1)
 Warnings:
 Warning	1292	Incorrect datetime value: '1'
 drop table t1;
+SET timestamp=UNIX_TIMESTAMP('2014-04-14 10:10:10');
+select now() > coalesce(time('21:43:24'), date('2010-05-03'));
+now() > coalesce(time('21:43:24'), date('2010-05-03'))
+0
+SET timestamp=UNIX_TIMESTAMP('2014-04-14 22:22:22');
 select now() > coalesce(time('21:43:24'), date('2010-05-03'));
 now() > coalesce(time('21:43:24'), date('2010-05-03'))
 1
+SET timestamp=DEFAULT;
 create table t1 (f1 timestamp);
 select * from t1 where f1 > f1 and f1 <=> timestampadd(hour, 9 , '2010-01-01 16:55:35');
 f1
@@ -1918,15 +1924,20 @@ select cast(f1 AS time) from t1;
 cast(f1 AS time)
 00:00:00
 drop table t1;
+SET timestamp=UNIX_TIMESTAMP('2014-06-01 10:20:30');
 select greatest(cast("0-0-0" as date), cast("10:20:05" as time));
 greatest(cast("0-0-0" as date), cast("10:20:05" as time))
-0000-00-00
+2014-06-01
 select greatest(cast("0-0-0" as date), cast("10:20:05" as time)) = '0000-00-00';
 greatest(cast("0-0-0" as date), cast("10:20:05" as time)) = '0000-00-00'
+0
+select greatest(cast("0-0-0" as date), cast("10:20:05" as time)) = '2014-06-01';
+greatest(cast("0-0-0" as date), cast("10:20:05" as time)) = '2014-06-01'
 1
 select cast(greatest(cast("0-0-0" as date), cast("10:20:05" as time)) as datetime(6));
 cast(greatest(cast("0-0-0" as date), cast("10:20:05" as time)) as datetime(6))
-0000-00-00 00:00:00.000000
+2014-06-01 00:00:00.000000
+SET timestamp=DEFAULT;
 select microsecond('12:00:00.123456'), microsecond('2009-12-31 23:59:59.000010');
 microsecond('12:00:00.123456')	microsecond('2009-12-31 23:59:59.000010')
 123456	10
@@ -2134,15 +2145,16 @@ DROP TABLE t1;
 #
 # MDEV-4870 Wrong values of CASE, COALESCE, IFNULL on a combination of different temporal types
 #
+SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30');
 CREATE TABLE t1 (dt2 DATETIME(2), t3 TIME(3), d DATE);
 INSERT INTO t1 VALUES ('2001-01-01 00:00:00.12', '00:00:00.567', '2002-01-01');
 SELECT CASE WHEN 0 THEN dt2 ELSE t3 END FROM t1;
 CASE WHEN 0 THEN dt2 ELSE t3 END
-0000-00-00 00:00:00.567
+2001-01-01 00:00:00.567
 CREATE TABLE t2 AS SELECT CASE WHEN 0 THEN dt2 ELSE t3 END FROM t1;
 SELECT * FROM t2;
 CASE WHEN 0 THEN dt2 ELSE t3 END
-0000-00-00 00:00:00.567
+2001-01-01 00:00:00.567
 SHOW COLUMNS FROM t2;
 Field	Type	Null	Key	Default	Extra
 CASE WHEN 0 THEN dt2 ELSE t3 END	datetime(3)	YES		NULL	
@@ -2161,7 +2173,7 @@ CONCAT(CASE WHEN 1 THEN d ELSE t3 END)
 2002-01-01 00:00:00.000
 SELECT CASE WHEN 1 THEN t3 ELSE d END FROM t1;
 CASE WHEN 1 THEN t3 ELSE d END
-0000-00-00 00:00:00.567
+2001-01-01 00:00:00.567
 SELECT COALESCE(d, t3) FROM t1;
 COALESCE(d, t3)
 2002-01-01 00:00:00.000
@@ -2181,6 +2193,7 @@ SELECT IFNULL(d, t3), CONCAT(IFNULL(d, t3)) FROM t1;
 IFNULL(d, t3)	CONCAT(IFNULL(d, t3))
 2002-01-01 00:00:00.000	2002-01-01 00:00:00.000
 DROP TABLE t1;
+SET timestamp=DEFAULT;
 #
 # MDEV-4724 Some temporal functions do not preserve microseconds
 #
@@ -2570,3 +2583,20 @@ Warnings:
 Warning	1441	Datetime function: datetime field overflow
 Warning	1441	Datetime function: datetime field overflow
 DROP TABLE t1;
+#
+# MDEV-6101 Hybrid functions do not add CURRENT_DATE when converting TIME to DATETIME
+#
+SET timestamp=UNIX_TIMESTAMP('2014-04-15 01:02:03');
+SELECT IF(1,TIME'10:20:30',DATE'2001-01-01');
+IF(1,TIME'10:20:30',DATE'2001-01-01')
+2014-04-15 10:20:30
+SELECT IFNULL(TIME'10:20:30',DATE'2001-01-01');
+IFNULL(TIME'10:20:30',DATE'2001-01-01')
+2014-04-15 10:20:30
+SELECT CASE WHEN 1 THEN TIME'10:20:30' ELSE DATE'2001-01-01' END;
+CASE WHEN 1 THEN TIME'10:20:30' ELSE DATE'2001-01-01' END
+2014-04-15 10:20:30
+SELECT COALESCE(TIME'10:20:30',DATE'2001-01-01');
+COALESCE(TIME'10:20:30',DATE'2001-01-01')
+2014-04-15 10:20:30
+SET timestamp=DEFAULT;

mysql-test/r/old-mode.result

@@ -95,8 +95,9 @@ INSERT INTO t1 VALUES (NULL, '00:20:12');
 INSERT INTO t1 VALUES (NULL, '-00:20:12');
 SELECT IF(1,ADDDATE(IFNULL(a,b),0),1) FROM t1;
 IF(1,ADDDATE(IFNULL(a,b),0),1)
-0000-00-00 00:20:12
+NULL
 NULL
 Warnings:
+Warning	1292	Incorrect datetime value: '0000-00-00 00:20:12'
 Warning	1292	Truncated incorrect datetime value: '-00:20:12'
 DROP TABLE t1;

mysql-test/r/type_datetime.result

@@ -653,13 +653,15 @@ SELECT * FROM t1;
 dt1
 DROP TABLE t1;
 End of 5.1 tests
+SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30');
 create table t1 (d date, t time) engine=myisam;
 insert into t1 values ('2000-12-03','22:55:23'),('2008-05-03','10:19:31');
 select case when d = '2012-12-12' then d else t end as cond, group_concat( d ) from t1 group by cond;
 cond	group_concat( d )
-0000-00-00 10:19:31	2008-05-03
+2001-01-01 10:19:31	2008-05-03
-0000-00-00 22:55:23	2000-12-03
+2001-01-01 22:55:23	2000-12-03
 drop table t1;
+SET timestamp=DEFAULT;
 # 
 # Semantics of the condition <non-nullable datetime field> IS NULL 
 # when the field belongs to an inner table of an outer join 

mysql-test/r/type_time.result

@@ -163,12 +163,26 @@ create table t1 (f1 time , f2 varchar(5), key(f1));
 insert into t1 values ('00:20:01','a'),('00:20:03','b');
 select * from t1 force key (f1) where f1 < curdate();
 f1	f2
-00:20:01	a
-00:20:03	b
 select * from t1 ignore key (f1) where f1 < curdate();
 f1	f2
+select * from t1 force key (f1) where f1 > curdate();
+f1	f2
 00:20:01	a
 00:20:03	b
+select * from t1 ignore key (f1) where f1 > curdate();
+f1	f2
+00:20:01	a
+00:20:03	b
+delete from t1;
+insert into t1 values ('-00:20:01','a'),('-00:20:03','b');
+select * from t1 force key (f1) where f1 < curdate();
+f1	f2
+-00:20:01	a
+-00:20:03	b
+select * from t1 ignore key (f1) where f1 < curdate();
+f1	f2
+-00:20:01	a
+-00:20:03	b
 drop table t1;
 create table t1(f1 time);
 insert into t1 values ('23:38:57');
@@ -354,3 +368,17 @@ SELECT '-24:00:00' = (SELECT f1 FROM t1);
 '-24:00:00' = (SELECT f1 FROM t1)
 1
 DROP TABLE t1;
+#
+# Start of 10.0 tests
+#
+#
+# MDEV-6102 Comparison between TIME and DATETIME does not use CURRENT_DATE
+#
+SET timestamp=UNIX_TIMESTAMP('2014-04-14 01:02:03');
+SELECT CAST(TIME'10:20:30' AS DATETIME), TIME'10:20:30'=TIMESTAMP'2014-04-14 10:20:30' AS cmp;
+CAST(TIME'10:20:30' AS DATETIME)	cmp
+2014-04-14 10:20:30	1
+SET timestamp=DEFAULT;
+#
+# End of 10.0 tests
+#

mysql-test/t/func_time.test

@@ -1126,7 +1126,11 @@ drop table t1;
 #
 # lp:737092 Assertion `item->null_value' failed in get_datetime_value in 5.1-micro
 #
+SET timestamp=UNIX_TIMESTAMP('2014-04-14 10:10:10');
 select now() > coalesce(time('21:43:24'), date('2010-05-03'));
+SET timestamp=UNIX_TIMESTAMP('2014-04-14 22:22:22');
+select now() > coalesce(time('21:43:24'), date('2010-05-03'));
+SET timestamp=DEFAULT;
 
 #
 # lp:737104 Crash in DTCollation::set in 5.1-micro
@@ -1170,9 +1174,12 @@ insert into t1 values ('0000-00-00 00:00:00');
 select cast(f1 AS time) from t1;
 drop table t1;
 
+SET timestamp=UNIX_TIMESTAMP('2014-06-01 10:20:30');
 select greatest(cast("0-0-0" as date), cast("10:20:05" as time));
 select greatest(cast("0-0-0" as date), cast("10:20:05" as time)) = '0000-00-00';
+select greatest(cast("0-0-0" as date), cast("10:20:05" as time)) = '2014-06-01';
 select cast(greatest(cast("0-0-0" as date), cast("10:20:05" as time)) as datetime(6));
+SET timestamp=DEFAULT;
 
 select microsecond('12:00:00.123456'), microsecond('2009-12-31 23:59:59.000010');
 
@@ -1340,6 +1347,7 @@ DROP TABLE t1;
 --echo #
 --echo # MDEV-4870 Wrong values of CASE, COALESCE, IFNULL on a combination of different temporal types
 --echo #
+SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30');
 CREATE TABLE t1 (dt2 DATETIME(2), t3 TIME(3), d DATE);
 INSERT INTO t1 VALUES ('2001-01-01 00:00:00.12', '00:00:00.567', '2002-01-01');
 SELECT CASE WHEN 0 THEN dt2 ELSE t3 END FROM t1;
@@ -1359,7 +1367,7 @@ SELECT CONCAT(COALESCE(dt2, t3)) FROM t1;
 SELECT IFNULL(dt2, t3), CONCAT(IFNULL(dt2, t3)) FROM t1;
 SELECT IFNULL(d, t3), CONCAT(IFNULL(d, t3)) FROM t1;
 DROP TABLE t1;
-
+SET timestamp=DEFAULT;
 
 --echo #
 --echo # MDEV-4724 Some temporal functions do not preserve microseconds
@@ -1571,3 +1579,13 @@ CREATE TABLE t1 (dt DATETIME);
 INSERT INTO t1 VALUES ('2003-05-13 19:36:05'), ('2012-12-12 09:20:06');
 SELECT COALESCE(ADDDATE(MAKEDATE(2011,121), dt), '2006-09-12' ) FROM t1;
 DROP TABLE t1;
+
+--echo #
+--echo # MDEV-6101 Hybrid functions do not add CURRENT_DATE when converting TIME to DATETIME
+--echo #
+SET timestamp=UNIX_TIMESTAMP('2014-04-15 01:02:03');
+SELECT IF(1,TIME'10:20:30',DATE'2001-01-01');
+SELECT IFNULL(TIME'10:20:30',DATE'2001-01-01');
+SELECT CASE WHEN 1 THEN TIME'10:20:30' ELSE DATE'2001-01-01' END;
+SELECT COALESCE(TIME'10:20:30',DATE'2001-01-01');
+SET timestamp=DEFAULT;

mysql-test/t/type_datetime.test

@@ -466,10 +466,12 @@ DROP TABLE t1;
 #
 # MDEV-4281 Assertion `maybe_null && item->null_value' fails in make_sortkey on CASE with different return types, GROUP_CONCAT, GROUP BY
 #
+SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30');
 create table t1 (d date, t time) engine=myisam;
 insert into t1 values ('2000-12-03','22:55:23'),('2008-05-03','10:19:31');
 select case when d = '2012-12-12' then d else t end as cond, group_concat( d ) from t1 group by cond;
 drop table t1;
+SET timestamp=DEFAULT;
 
 --echo # 
 --echo # Semantics of the condition <non-nullable datetime field> IS NULL 

mysql-test/t/type_time.test

@@ -115,6 +115,12 @@ create table t1 (f1 time , f2 varchar(5), key(f1));
 insert into t1 values ('00:20:01','a'),('00:20:03','b');
 select * from t1 force key (f1) where f1 < curdate();
 select * from t1 ignore key (f1) where f1 < curdate();
+select * from t1 force key (f1) where f1 > curdate();
+select * from t1 ignore key (f1) where f1 > curdate();
+delete from t1;
+insert into t1 values ('-00:20:01','a'),('-00:20:03','b');
+select * from t1 force key (f1) where f1 < curdate();
+select * from t1 ignore key (f1) where f1 < curdate();
 drop table t1;
 
 #
@@ -243,3 +249,19 @@ SELECT CAST('-24:00:00' AS TIME) = (SELECT f1 FROM t1);
 SELECT '-24:00:00' = (SELECT f1 FROM t1);
 DROP TABLE t1;
 
+--echo #
+--echo # Start of 10.0 tests
+--echo #
+
+
+--echo #
+--echo # MDEV-6102 Comparison between TIME and DATETIME does not use CURRENT_DATE
+--echo #
+SET timestamp=UNIX_TIMESTAMP('2014-04-14 01:02:03');
+SELECT CAST(TIME'10:20:30' AS DATETIME), TIME'10:20:30'=TIMESTAMP'2014-04-14 10:20:30' AS cmp;
+SET timestamp=DEFAULT;
+
+--echo #
+--echo # End of 10.0 tests
+--echo #
+

sql/field.h

@@ -93,6 +93,31 @@ inline uint get_set_pack_length(int elements)
 }
 
 
+/**
+  Tests if field type is temporal and has date part,
+  i.e. represents DATE, DATETIME or TIMESTAMP types in SQL.
+
+  @param type    Field type, as returned by field->type().
+  @retval true   If field type is temporal type with date part.
+  @retval false  If field type is not temporal type with date part.
+*/
+inline bool is_temporal_type_with_date(enum_field_types type)
+{
+  switch (type)
+  {
+  case MYSQL_TYPE_DATE:
+  case MYSQL_TYPE_DATETIME:
+  case MYSQL_TYPE_TIMESTAMP:
+    return true;
+  case MYSQL_TYPE_DATETIME2:
+  case MYSQL_TYPE_TIMESTAMP2:
+    DBUG_ASSERT(0); // field->real_type() should not get to here.
+  default:
+    return false;
+  }
+}
+
+
 /**
    Recognizer for concrete data type (called real_type for some reason),
    returning true if it is one of the TIMESTAMP types.

sql/item_cmpfunc.cc

@@ -900,9 +900,11 @@ get_datetime_value(THD *thd, Item ***item_arg, Item **cache_arg,
   {
     MYSQL_TIME ltime;
     uint fuzzydate= TIME_FUZZY_DATES | TIME_INVALID_DATES;
-    if (f_type == MYSQL_TYPE_TIME)
+    if ((item->field_type() == MYSQL_TYPE_TIME &&
-      fuzzydate|= TIME_TIME_ONLY;
+        is_temporal_type_with_date(warn_item->field_type())) ?
-    if (item->get_date(&ltime, fuzzydate))
+        item->get_date_with_conversion(&ltime, fuzzydate) :
+        item->get_date(&ltime, fuzzydate |
+                               (f_type == MYSQL_TYPE_TIME ? TIME_TIME_ONLY : 0)))
       value= 0; /* invalid date */
     else
       value= pack_time(&ltime);
@@ -2559,9 +2561,9 @@ Item_func_ifnull::str_op(String *str)
 bool Item_func_ifnull::date_op(MYSQL_TIME *ltime, uint fuzzydate)
 {
   DBUG_ASSERT(fixed == 1);
-  if (!args[0]->get_date(ltime, fuzzydate & ~TIME_FUZZY_DATES))
+  if (!args[0]->get_date_with_conversion(ltime, fuzzydate & ~TIME_FUZZY_DATES))
     return (null_value= false);
-  if (!args[1]->get_date(ltime, fuzzydate & ~TIME_FUZZY_DATES))
+  if (!args[1]->get_date_with_conversion(ltime, fuzzydate & ~TIME_FUZZY_DATES))
     return (null_value= false);
   bzero((char*) ltime,sizeof(*ltime));
   return null_value= !(fuzzydate & TIME_FUZZY_DATES);
@@ -2752,7 +2754,7 @@ bool Item_func_if::date_op(MYSQL_TIME *ltime, uint fuzzydate)
 {
   DBUG_ASSERT(fixed == 1);
   Item *arg= args[0]->val_bool() ? args[1] : args[2];
-  return (null_value= arg->get_date(ltime, fuzzydate));
+  return (null_value= arg->get_date_with_conversion(ltime, fuzzydate));
 }
 
 
@@ -2997,7 +2999,7 @@ bool Item_func_case::date_op(MYSQL_TIME *ltime, uint fuzzydate)
   Item *item= find_item(&dummy_str);
   if (!item)
     return (null_value= true);
-  return (null_value= item->get_date(ltime, fuzzydate));
+  return (null_value= item->get_date_with_conversion(ltime, fuzzydate));
 }
 
 
@@ -3315,7 +3317,8 @@ bool Item_func_coalesce::date_op(MYSQL_TIME *ltime,uint fuzzydate)
   null_value= 0;
   for (uint i= 0; i < arg_count; i++)
   {
-    bool res= args[i]->get_date(ltime, fuzzydate & ~TIME_FUZZY_DATES);
+    bool res= args[i]->get_date_with_conversion(ltime,
+                                                fuzzydate & ~TIME_FUZZY_DATES);
     if (!args[i]->null_value)
       return res;
   }

sql/item_timefunc.cc

@@ -1300,13 +1300,11 @@ bool get_interval_value(Item *args,interval_type int_type, INTERVAL *interval)
     interval->neg= my_decimal2seconds(val, &second, &second_part);
     if (second == LONGLONG_MAX)
     {
-      char buff[DECIMAL_MAX_STR_LENGTH];
+      ErrConvDecimal err(val);
-      int length= sizeof(buff);
-      decimal2string(val, buff, &length, 0, 0, 0);
       push_warning_printf(current_thd, Sql_condition::WARN_LEVEL_WARN,
                           ER_TRUNCATED_WRONG_VALUE,
                           ER(ER_TRUNCATED_WRONG_VALUE), "DECIMAL",
-                          buff);
+                          err.ptr());
       return true;
     }